{"nhtsa_id":11023137,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-09-16","date":"2025-09-15","document_id":"LI08.10-P-076885","mfr_campaign":null,"replaces":null,"component":"POWER TRAIN","mfr_system":null,"summary":"Complaint High-frequency sound/high-frequency whistling at speeds between 100 km/h and 120 km/h (62-74 mph) or between 60 km/h and 80 km/h (37-50mph) Cause Noises of 26th engine order from the transmission gearing Remedy Replacing parts does not provide a remedy; the noise is state of the art","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023137-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11023137-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11023137","components":[{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MERCEDES-BENZ","model":"EQS 450 4MATIC","year_from":2023,"year_to":2024,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQS 450+","year_from":2022,"year_to":2022,"match":null,"vehicle_ids":[]},{"make":"MERCEDES-BENZ","model":"EQS SUV 450 4MATIC","year_from":2023,"year_to":2025,"match":null,"vehicle_ids":[]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}